Tunisia protests continue

People demonstrate against Ben Ali's Constitutional Democratic Rally (RCD) in a new wave of anger about the presence of RCD stalwarts in the transitional government, on January 20, 2011, in Tunis.

Finbarr O'reilly / Reuters

A protester gestures in front of the headquarters of the Constitutional Democratic Rally (RCD) party of ousted president Zine al-Abidine Ben Ali during a demonstration in downtown Tunis, on January 20, 2011.

Finbarr O'reilly / Reuters

Protesters stand off against a line of riot police (L) during a demonstration in downtown Tunis, on January 20, 2011.

Finbarr O'reilly / Reuters

Protesters gesture in front of the headquarters of the Constitutional Democratic Rally (RCD) party of ousted president Zine al-Abidine Ben Ali during a demonstration in downtown Tunis, on January 20, 2011.

An official investigation has been launched into the assets of ousted Tunisian President Zine El Abidine Ben Ali as unrest continues to roar across the African nation. NBC's Richard Engel reports from Tunis.